11201111022 has 32 divisors (see below), whose sum is σ = 23662679040. Its totient is φ = 3529229760.

The previous prime is 11201110967. The next prime is 11201111029. The reversal of 11201111022 is 22011110211.

It is a junction number, because it is equal to n+sod(n) for n = 11201110989 and 11201111007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201111029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692247 + ... + 708242.

It is an arithmetic number, because the mean of its divisors is an integer number (739458720).

Almost surely, 2^11201111022 is an apocalyptic number.

11201111022 is an abundant number, since it is smaller than the sum of its proper divisors (12461568018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11201111022 is a wasteful number, since it uses less digits than its factorization.

11201111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400568.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11201111022 its reverse (22011110211), we get a palindrome (33212221233).

The spelling of 11201111022 in words is "eleven billion, two hundred one million, one hundred eleven thousand, twenty-two".